the final push has president obama and governor romney fire storming seven critical states across the country in the hunt for 270 electoral votes. is argument -- >> unemployment is falling. manufacturing is coming back. >> the passion. this is an election about big things. about big choices. >> and the ground game. the critical effort to deliver key voting groups to the polls. this morning, we hear about it all from key figures on the ground. all important ohio. can romney win the white house without it? we'll ask the state republican governor, john casic. wisconsin governor scott walker and colorado's democratic governor, john. analysis on what will tip the scales in this tight presidential race. from the round table, from msnbc, rachel maddow, new york times columnist david brooks, washington post columnist, former ceo of hewlett packard, carly. our chief white house correspondent, chuck todd. >>> announcer: from nbc news in washington, "meet the press" with david gregory. >>> good morning on this sunday. as if it wasn't enough to have this tight race, we have inically mat weather b